integral from 0 to 1 of x/(sqrt(1-x))

Lösung

\int_{0}^{1} \frac{x}{1 - x} d x

\frac{4}{3}

Dezimale

1.33333 \dots

Schritte zur Lösung

\int_{0}^{1} \frac{x}{1 - x} d x

Wende U-Substitution an

= \int_{1}^{0} - 2 (- u^{2} + 1) d u

\int_{a}^{b} f (x) d x = - \int_{b}^{a} f (x) d x, a < b

= - \int_{0}^{1} - 2 (- u^{2} + 1) d u

Entferne die Konstante:

\int a \cdot f (x) d x = a \cdot \int f (x) d x

= - (- 2 \cdot \int_{0}^{1} - u^{2} + 1 d u)

Wende die Summenregel an:

\int f (x) \pm g (x) d x = \int f (x) d x \pm \int g (x) d x

= - (- 2 (- \int_{0}^{1} u^{2} d u + \int_{0}^{1} 1 d u))

\int_{0}^{1} u^{2} d u = \frac{1}{3}

\int_{0}^{1} 1 d u = 1

= - (- 2 (- \frac{1}{3} + 1))

Vereinfache

- (- 2 (- \frac{1}{3} + 1)) : \frac{4}{3}

= \frac{4}{3}

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